SpeakerCraft IRC-1.1 Black,Yellow

IRC-1.1 Flush-Mount Mini IR Receiver -Includes Four Snap-On Color Cap Bezels (Almond, Black, Bone and White).
-Connects Via Four Stripped Conductor Wires.
-Exclusive Ambient Noise Suppressor.
-Small Unit Designed To Mount Flush with a Cabinet or Wall, Leaving Only a Circular Bezel Exposed to the Room.
-May Be Mounted Behind Grilles of In-Wall Speakers.
-Frequency Range: 28 - 90 kHz.
-Requires Regulated Power Supply, Terminator Block, and Emitters.
-Includes Two Special Bezels for Use In Severe Plasma or Multiple CFL Environments.
-ALR Bezels Allow Close Placement of Receiver to Plasma Display or Ceiling CFL Units.
-Using the ALR Bezels Will Reduce the IR Reception Angle from 100° to 60°.
-Dimensions: (Dia x L) 15/32" x 25/8" (12 mm x 67 mm) Color Cap Bezel: (Dia x L) 47/64" x 1/8"
(19 mm x 3 mm) ALR Bezel: (Dia x L) 47/64" x 23/64" (19 mm x 9 mm).